The yellow and dark face may be caused by congenital, physiological or pathological reasons, and the general situation is as follows: 1. congenital reasons: mainly hereditary factors, because heredity leads to too much yellow pigment on the face, dark yellow, as long as the overall examination and mental state does not have any abnormalities, there is not much relationship. 2. physiological reasons: such as high work pressure, too little sleep, too much sun exposure, and recent The skin of the face may be yellowish and dull due to excessive strain, as well as excessive use of cell phones and computers. Therefore, it needs to be adjusted, such as exercise, balanced diet, and eat more vitamin-rich food, especially vitamin E, which can be anti-aging. 3, pathological causes: including liver disease, kidney disease and endocrine disease. Liver diseases, such as elevated bilirubin, cirrhosis, and abnormal pigment metabolism leading to dull complexion, commonly known as liver disease face, and possibly endocrine disorders leading to hyperpigmentation. For such cases, the main thing is to go for further detailed examinations, including a full set of biochemical tests, as well as to discover the relevant abnormalities that may be caused.